<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP -->
    <meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'">
    <meta http-equiv="X-Content-Security-Policy" content="default-src 'self'; script-src 'self'">
    <title>Hello World!</title>
  </head>
  <body>
    <h1>Hello World!</h1>
    We are using Node.js <span id="node-version"></span>,
    Chromium <span id="chrome-version"></span>,
    and Electron <span id="electron-version"></span>.

    <p>
      <p>
        <h3>First Number</h3>
        <input id="first_number" type="number"></input>
        <h3>Second Number</h3>
        <input id="second_number" type="number"></input>
      </p>
      <button id="submit" type="submit">Submit</button>
      <h1 id="tag_result"></h1>      
    </p>

    <!-- You can also require other files to run in this process -->
    <script src="./renderer.js"></script>
  </body>
</html>
